如何让url链由正则表达式编码？

Question

我有http://benalman.com/projects/jquery-postmessage-plugin/

的postMessage

var url= "http%3A%2F%2Flocalhost%2FDefault.aspx";
$.postMessage({ if_height: $('body').outerHeight( true ), urlframe: url }, parent_url, parent );

如何使用receiveMessage获取urlframe？